Alert archive / Colorado / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 75, NWS Pueblo, CO

June 12, 2012Baca County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 12, 2012, 3:44 PM MDT for Baca County, Colorado. It was in force for 46 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 12, 2012, 3:44 PM MDT (21:44 UTC)
Expired
Jun 12, 2012, 4:30 PM MDT
In force
46 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

County Baca County, CO

The radar

The Pueblo radar (KPUX), 173 km from the middle of the area, began a volume at 21:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 12, 3:47 PM MDTHAIL 26 N Pritchett, CO
Jun 12, 4:07 PM MDTHAIL 1.57 N Pritchett, COCOVERING GROUND TO 3 INCH DEPTH.
Jun 12, 4:25 PM MDTHAIL 15 N Pritchett, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 12, 1:16 PM MDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 9.7 hours before the alert went out and 242 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Dodge City, at 12:00Z on 2012-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2012-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2269 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

069 
WUUS55 KPUB 122144
SVRPUB
COC009-122230-
/O.NEW.KPUB.SV.W.0075.120612T2144Z-120612T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
344 PM MDT TUE JUN 12 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BACA COUNTY IN SOUTHEAST COLORADO...

* UNTIL 430 PM MDT

* AT 342 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
  THUNDERSTORM PRODUCING PING PONG BALL SIZE HAIL.  THIS STORM WAS
  LOCATED 6 MILES NORTH OF PRITCHETT...OR 12 MILES WEST OF
  SPRINGFIELD...AND MOVING NORTHEAST AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SPRINGFIELD AND VILAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A 
SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. 
THIS STORM IS MOVING VERY SLOWLY...IT IS LIKELY PRODUCING HEAVY 
RAINFALL...GUSTY WINDS...AND LARGE HAIL.

&&

LAT...LON 3764 10253 3730 10232 3727 10279 3762 10298
TIME...MOT...LOC 2144Z 234DEG 5KT 3746 10282
WIND...HAIL <50MPH 1.50IN

$$


STARK
3 follow-up statements
623 
WWUS55 KPUB 122155
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
355 PM MDT TUE JUN 12 2012

COC009-122230-
/O.CON.KPUB.SV.W.0075.000000T0000Z-120612T2230Z/
BACA CO-
355 PM MDT TUE JUN 12 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL BACA
COUNTY UNTIL 430 PM MDT...

AT 353 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING DESTRUCTIVE HAIL UP TO HEN EGG SIZE.  THIS
STORM WAS LOCATED 6 MILES NORTH OF PRITCHETT...OR 12 MILES WEST OF
SPRINGFIELD...MOVING NORTHEAST AT 5 MPH.

LOCATIONS IMPACTED INCLUDE...
  SPRINGFIELD AND VILAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
TUESDAY EVENING FOR SOUTHEAST COLORADO.

LAT...LON 3764 10253 3730 10232 3727 10279 3762 10298
TIME...MOT...LOC 2155Z 234DEG 5KT 3746 10282
WIND...HAIL <50MPH 2.00IN

$$


STARK
777 
WWUS55 KPUB 122217
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
417 PM MDT TUE JUN 12 2012

COC009-122230-
/O.CON.KPUB.SV.W.0075.000000T0000Z-120612T2230Z/
BACA CO-
417 PM MDT TUE JUN 12 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL BACA
COUNTY UNTIL 430 PM MDT...

AT 414 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 9 MILES
NORTHEAST OF PRITCHETT...OR 11 MILES NORTHWEST OF SPRINGFIELD...
MOVING NORTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  SPRINGFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS REMAINED NEARLY STATIONARY NORTH OF PRITCHETT...IT IS 
LIKELY PRODUCING LOCALLY HEAVY RAINFALL AND HAIL. THE STORM HAS 
WEAKENED SOME...BUT QUARTER SIZE HAIL AND DAMAGING WIND GUSTS ARE 
STILL POSSIBLE.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
TUESDAY EVENING FOR SOUTHEAST COLORADO.

LAT...LON 3762 10264 3731 10243 3727 10279 3757 10295
TIME...MOT...LOC 2216Z 245DEG 11KT 3748 10278
WIND...HAIL 60MPH 1.00IN

$$


STARK
837 
WWUS55 KPUB 122223
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
423 PM MDT TUE JUN 12 2012

COC009-122233-
/O.EXP.KPUB.SV.W.0075.000000T0000Z-120612T2230Z/
BACA CO-
423 PM MDT TUE JUN 12 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BACA COUNTY WILL
EXPIRE AT 430 PM MDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
TUESDAY EVENING FOR SOUTHEAST COLORADO.

LAT...LON 3762 10264 3731 10243 3727 10279 3757 10295
TIME...MOT...LOC 2223Z 245DEG 11KT 3749 10276

$$


STARK

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 3:05 PM MDTSevere Thunderstorm WarningPUBBaca, Prowers40 min
Jun 12, 3:13 PM MDTSevere Thunderstorm WarningPUBLas Animas24 min
Jun 12, 3:30 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas45 min
Jun 12, 3:54 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas31 min
Jun 12, 4:17 PM MDTAreal Flood AdvisoryPUBBaca3 hr
Jun 12, 4:29 PM MDTSevere Thunderstorm WarningPUBBaca31 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2012Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.